Tagami Yusuke, led by a mysterious voice, is summoned to another world, "Caltsio". He was just a young video game lover, but Fate decided to make him become the "Evil God of Calamity" of this world, obtaining the ability to create and customize everything, [Customize Creation].obs: This a rough (edited) translation of the synopsis.web-raws: http://www.alphapolis.co.jp/manga/viewOpening/842000050/Adaptation of the web/light novel series.